Quote:
Originally Posted by teoman
What is the expected life of these? I have not seen any data on that.
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I'm sure it varies from product to product and details of the usage conditions .. but at the highest $ end ..
these claim up to 12% conversion efficiency at up to 600deg C and up to 20 year operational life expectancy.
And at the very top (in the 70s) .. The TE modules used in the RTG used on the Voyager 1 are still running launched in 1977.